Category Archives: Routing

First a comment on the structuring of my notes. In order to make them more legible I have started using headings for each section and then bolding the subsections. I believe it makes it easier to read and I do … Continue reading →

Classification and Marking Classify and mark as close to the ingress edge as possible. Mark or re-mark traffic when it reaches a trusted device in the network. There are only two IP QoS marking fields that are carried end to … Continue reading →

The difference between classification and marking is action. Classification tools categorize packets while marking changes packet headers. These tools lay the foundation upon which the rest of QoS is built. Classification — Perform classification closest to the source as possible … Continue reading →

The past month I have been writing midlets for the 7926G Cisco IP phone. The interesting aspect of this phone for the hospital is that it has a barcode scanner built into the end of the phone. All of our … Continue reading →

This post was tedious in the formatting and was one of the reasons I put off posting it. The notes were taken months ago put I was weary of posting it because of the time involved in formatting it. As … Continue reading →

I took and did not pass my TSHOOT exam last week. Bummer. I had not studied specifically for the test very hard. In my mind I had already started thinking about the CCIE written and even started doing the “easy” … Continue reading →